DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF PARAÑAQUE Award a ₱1.5M contract to TATA KULAS BUILDERS & SUPPLIESCities
Transaction hash:
de356e9b50fb68cb147277d2608159d8a694a6f63f8a0839025576e431b644ee
Status:
Included and unchanged
Block:
#1,314 4,699 blocks after it
Position in block:
Transaction 78 of 87
Award day:
Dec 5, 2011 (14 yrs 11 mo ago)
From:
Value:
₱1,496,717.46
Project:
Concreting of Pathwalks and Installation of Drainage System at Sampaloc Site, Bgy. BF
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,314 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF PARAÑAQUE awarded it to TATA KULAS BUILDERS & SUPPLIES on 2011-12-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Parañaque gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored de356e9b50…b644eenow …
- 2. Block Merkle root changedstored c7648c7f63…99c0c2now …
- 3. Block #1314 hash changedstored 36d92cbfc9…ea2acenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 86 records. Each step hashes the current value together with the sibling shown.
- leaf de356e9b50fb68cb147277d2608159d8a694a6f63f8a0839025576e431b644ee
- 01 R dfc4ae4e9aa4c6c1e379a605abfecdea895a5c5f950d0055b9f65a9848e58fc2
- 02 L bae1d7128d9bdaf55bb6aa2f36adf6d00ff47365c61193ae6b5c5076f967fd33
- 03 L 4558d11a6bc613c6e2bd8bf1ac344f4d47ccea0a49661e40fc8cd121c7d8d4e1
- 04 L 0df1850adfc631e0dc0305b63a2a5b9970347d1ae7265b0c85f2ca3c22339631
- 05 R 94a7fef27d2e10f6622551cc1beb8afa8a9920b7f4b9607914cc3f0ec288459b
- 06 R 92c80181dc1e7bbeca7375874b424bbaf2278bcfc794da3a2d86c61c1dc6c790
- 07 L 3adde14368a4531e2c2977b0827c5e17cac9f373e70a37bd8eafc43d2ef5cd68
- root c7648c7f636f95ee50a250f6bc84e19d187a5cc46df1b2db516131aa9799c0c2